MATHmaniac aka CrUNchy

Have you got the least number of the kids??

First,
starting with the def of congruence,
then def of divisibility,
you can find the gcd,
then find the linear combination.

Next,
find n by add the multipication of remainder,the x and and the N
then,you can get the number of kids using the properties of congruence

look by yourself,..
please click on the picture for a better view


The least number of kids all together are 785
Easy right!!

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